<!DOCTYPE html>
<html>
<head>
	<title>test common.css</title>
	<link rel="stylesheet" type="text/css" href="../style/css/common.css">
	<style type="text/css">
		input{
			display: block;
		}
	</style>
</head>
<body>
<div class="contain">
	<div class="model">
		<label for="user-name">姓名</label>
		<input type="text" id="user-name" placeholder="用户姓名">
		<label for="user-age">年龄</label>
		<input type="number" id="user-age" placeholder="年龄">
	</div>
</div>
</body>
</html>